Tim Cook spoke recently with The Irish Independent and he gave his opinion on the chances to release a hybrid computer that would be a combination of a MacBook and an iPad

We feel strongly that customers are not really looking for a converged Mac and iPad,” said Cook. “Because what that would wind up doing, or what we’re worried would happen, is that neither experience would be as good as the customer wants. So we want to make the best tablet in the world and the best Mac in the world. And putting those two together would not achieve either. You’d begin to compromise in different ways

Well, Apple said something similar about small tablets and about the validity of the stylus. Cook recently called the Surface Book a diluted product, when the iPad Pro is clearly following that concept and trying to convince everyone without actually succeeding.

I’m pretty sure that converged device will show up, and I’m confident the MacBook -or a derivative from this one- will probably use ARM processors in the near future. Maybe not in 2016, but 2017 seems feasible.

The big question is what OS will be used on that device. Is Apple working on OS X for ARM? It did the same when it had OS X running on Intel processors in secret during several years.